Questions tagged [gsm]

GSM is the predominant standard used for 2G cellular networks for mobile devices.

Filter by
Sorted by
Tagged with
10
votes
4answers
39k views

How do I reset a USB device using a script?

I have a USB GSM modem that does not alwasys work property (Huawei E367u-2) Sometimes it gets reset (USB device disconnect/reconnect in logs) and when it comes back up, it's has different ttyUSB ...
-1
votes
1answer
102 views

Response to a incoming call using python script

I am trying to implement a system using Raspberry-pi and SIM-800 modules. Now I can see incoming calls from my python script, but it can not parse data. import serial serialport = serial.Serial("/...
8
votes
2answers
47k views

Sending and receiving SMS via a huawei 3g Dongle E220

I have a Huawei E220 3G dongle. I have set it up with my Raspberry Pi to connect to the internet by executing the sakis3g script. Now I want to send and receive SMS to and from Raspberry pi via the 3g ...
0
votes
1answer
744 views

Waveshare GSM/GPRS/GNSS HAT not connecting to Cellular network

I have this HAT i bought for a pi project I am working on. I get the device to power on, I can connect via USB from PC, and can connect from pi too. However, the NET LED just blinks every second, ...
4
votes
1answer
11k views

Pi to act as GSM voice phone

I won't know for certain until I've implemented it, but I've marked ppumkin's answer as The Answer. I will have a Huawei 3G (or GSM) dongle attached to my raspberry pi. I haven't purchased it yet, ...
1
vote
0answers
175 views

How to connect RPi 2B with SM900?

I have a Raspberry Pi 2B and a SM900 module and I want to make a UART connect with jumpers using raspberry GPIO and the shield pins. My problem is how could I make it? How to power up the SM900? I ...
1
vote
1answer
2k views

Need help with interfacing SIM 900A module Python code for RPi 2

I have recently procured a SIM 900A UART module. I am supplying power to the module with +5 and GND of RPi. import serial import RPi.GPIO as GPIO import os, time GPIO.setmode(GPIO.BOARD) ...
0
votes
1answer
121 views

It is possible to stack two different Add-Ons in Raspberry Pi 3?

I need to create a project that has GPRS/GSM and GPS, but there are no products with both functionalities. I found some Add-Ons that may work but I'm not sure if there is any way to stack both. I know ...
0
votes
2answers
3k views

How to Connect Raspberry Pi with GSM sim900a mini rs232

I have connected Raspberry Pi to GSM sim900a mini with the following details: convertor max3232 used DB9-2 sim900a connected to DB9-3 max3232 DB9-3 sim900a connected to DB9-2 max3232 tx (raspberry) ...